<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style type="text/css">
        /*  span{
            background-color: red;
            height: 50px;
            display: block;
        }*/
        div{
            width: 100px;
            height: 50px;
            background-color: yellow;
        }
    </style>
</head>
<body>
   <span>span1</span>
   <span>span2</span>
   <span>span3</span>
   <div></div>
<div></div>
<span id="wwww">wwww</span>
</body>
</html>